信息不完整 “Ethnologue: Languages of the World, 16th Edition (2009)” . M. Paul Lewis · SIL International
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易危
20 percent certain, based on the evidence available
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87,000-100,000
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87,000 to 100,000 mainly monolingual users (1986 T. C. Smith-Stark), out of 1,300,000 deaf persons in Mexico (VanCleve 1986)